Question

If distance covered by a particle is zero, what can be said about its displacement?

• A. It may or may not be zero.
• B. It can not be zero.
• C. It is negative.
• D. It must be zero.

Answer 1

The correct option is D It must be zero.

Distance covered by a particle is zero only when it has not changed its position i.e. remained at rest. Therefore, its displacement must be zero.